<!DOCTYPE html>
<html>

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meat name="viewpoet" content="with=device-width, initial-scale=1.0">
        <title>Document</title>
</head>

<body>
    <div id="app">
        <!-- 
            v-model可以让数据和视图，形成双向数据绑定
            （1）数据变化，视图自动更新
            （2）视图变化了，数据自动更新
            可以快速获取或设置表单元素的内容
        -->
        账户：<input type="text" v-model="username"><br><br>
        密码：<input type="password" v-model="password"><br><br>
        <button @click="login">登录</button>
        <button @click="reset">重置</button>
    </div>
    <!-- 引入的是开发版本包 - 包含完整的注释和警告 -->
    <script src="https://cdn.jsdelivr.net/npm/vue@2.7.16/dist/vue.js"></script>
    <script>
        const app = new Vue({
            el: '#app',
            data: {
                username: '',
                password: ''
            },
            methods: {
                login() {
                    console.log(this.username + ":" + this.password);
                },
                reset() {
                    this.username = ''
                    this.password = ''
                }
            }
        })
    </script>

</body>

</html>